Atom x5-Z8500 vs i7-4790K

Aggregate performance score

Core i7-4790K
2014
4 cores / 8 threads, 88 Watt
5.08
+551%

Core i7-4790K outperforms Atom x5-Z8500 by a whopping 551% based on our aggregate benchmark results.

Primary details

Comparing Core i7-4790K and Atom x5-Z8500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking12102625
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.92no data
Market segmentDesktop processorLaptop
SeriesCore i7 (Desktop)5x Intel Atom
Power efficiency5.46no data
Architecture codenameDevil's CanyonCherry Trail (2015−2016)
Release dateJune 2014 (10 years ago)2 March 2015 (9 years ago)
Launch price (MSRP)$339no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-4790K and Atom x5-Z8500 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)4 (Quad-Core)
Threads84
Base clock speed4 GHz1.44 GHz
Boost clock speed4.4 GHz2.24 GHz
Bus rate5 GT/sno data
L1 cache64K (per core)no data
L2 cache256K (per core)2 MB
L3 cache8 MB (shared)0 KB
Chip lithography22 nm14 nm
Die size177 mm2no data
Maximum core temperatureno data90 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistors1,400 millionno data
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-4790K and Atom x5-Z8500 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11 (Uniprocessor)
SocketFCLGA1150UTFCBGA1380
Power consumption (TDP)88 Wattno data

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-4790K and Atom x5-Z8500. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
FDI+no data

Security technologies

Core i7-4790K and Atom x5-Z8500 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Bootno data+
Secure Key+no data
Identity Protection++
OS Guard+no data
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-4790K and Atom x5-Z8500 are enumerated here.

AMD-V+-
VT-d+no data
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-4790K and Atom x5-Z8500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32 GB8 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 4600Intel HD Graphics (Cherry Trail) (200 - 600 MHz)
Max video memory2 GB8 GB
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.25 GHz600 MHz
Execution Units2012
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-4790K and Atom x5-Z8500 integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data
VGA+no data

Graphics image quality

Maximum display resolutions supported by Core i7-4790K and Atom x5-Z8500 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.43840x2160@24Hz3840x2160
Max resolution over eDP3840x2160@60Hz2560x1600
Max resolution over DisplayPort3840x2160@60Hzno data
Max resolution over VGA1920x1200@60Hzno data

Graphics API support

APIs supported by Core i7-4790K and Atom x5-Z8500 integrated GPUs, sometimes API versions are included.

DirectX11.2/12no data
OpenGL4.3no data

Peripherals

Specifications and connection of peripherals supported by Core i7-4790K and Atom x5-Z8500.

PCIe version3.02.0
PCI Express lanes162
USB revisionno data3.0
Number of USB portsno data3

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-4790K 5.08
+551%
Atom x5-Z8500 0.78

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-4790K 8067
+553%
Atom x5-Z8500 1236

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-4790K 1409
+724%
Atom x5-Z8500 171

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-4790K 4401
+780%
Atom x5-Z8500 500

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-4790K 6520
+459%
Atom x5-Z8500 1166

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-4790K 25082
+604%
Atom x5-Z8500 3563

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-4790K 9485
+376%
Atom x5-Z8500 1991

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-4790K 9
+592%
Atom x5-Z8500 1

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i7-4790K 846
+694%
Atom x5-Z8500 107

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i7-4790K 174
+390%
Atom x5-Z8500 36

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i7-4790K 1.95
+353%
Atom x5-Z8500 0.43

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i7-4790K 5
+681%
Atom x5-Z8500 0.6

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i7-4790K 52
+614%
Atom x5-Z8500 7

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i7-4790K 189
+417%
Atom x5-Z8500 37

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i7-4790K 5534
+535%
Atom x5-Z8500 872

Geekbench 3 32-bit multi-core

i7-4790K 15557
+534%
Atom x5-Z8500 2455

Geekbench 3 32-bit single-core

i7-4790K 4418
+415%
Atom x5-Z8500 859

Gaming performance

Pros & cons summary


Performance score 5.08 0.78
Integrated graphics card 1.84 0.77
Recency on June 2014 2 March 2015
Threads 8 4
Chip lithography 22 nm 14 nm

i7-4790K has a 551.3% higher aggregate performance score, 139% faster integrated GPU, and 100% more threads.

Atom x5-Z8500, on the other hand, has an age advantage of 9 months, and a 57.1% more advanced lithography process.

The Core i7-4790K is our recommended choice as it beats the Atom x5-Z8500 in performance tests.

Note that Core i7-4790K is a desktop processor while Atom x5-Z8500 is a notebook one.


Should you still have questions on choice between Core i7-4790K and Atom x5-Z8500, ask them in Comments section, and we shall answer.

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Intel Core i7-4790K
Core i7-4790K
Intel Atom x5-Z8500
Atom x5-Z8500

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Community ratings

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